Base | Representation |
---|---|
bin | 1001001001101010010000… |
… | …00100110110010100111010 |
3 | 2122020202022121012000201210 |
4 | 10210311020010312110322 |
5 | 10114144133014344120 |
6 | 110444234435023550 |
7 | 4144563642245226 |
oct | 444651004662472 |
9 | 78222277160653 |
10 | 20123131012410 |
11 | 6459198936118 |
12 | 230bbb7a3abb6 |
13 | b2c7ac063b6a |
14 | 4d7d71351786 |
15 | 24d6aeb5dce0 |
hex | 124d4813653a |
20123131012410 has 32 divisors (see below), whose sum is σ = 50395319406720. Its totient is φ = 5132856605888.
The previous prime is 20123131012409. The next prime is 20123131012463. The reversal of 20123131012410 is 1421013132102.
It is a super-2 number, since 2×201231310124102 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14581978305 + ... + 14581979684.
It is an arithmetic number, because the mean of its divisors is an integer number (1574853731460).
Almost surely, 220123131012410 is an apocalyptic number.
20123131012410 is an abundant number, since it is smaller than the sum of its proper divisors (30272188394310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123131012410 is a wasteful number, since it uses less digits than its factorization.
20123131012410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29163958022.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 20123131012410 its reverse (1421013132102), we get a palindrome (21544144144512).
The spelling of 20123131012410 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-one million, twelve thousand, four hundred ten".
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